July 1999 storm reports: hail, wind and tornadoes
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In July 1999, 1,089 hail, 2,636 damaging-wind and 99 tornado reports were logged on 31 storm days across 48 states. The largest hail reported was 4.50″ (softball size) in Boyd County, NE on July 1, 1999. The most hail reports came on July 2, 1999 (117).
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← June 1999 All 1999 storm days August 1999 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of July 1999
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Jul 6, 1999 | 49 | 282 | 5 | 2.75″ | 23 |
| Jul 30, 1999 | 81 | 228 | 5 | 4.00″ | 24 |
| Jul 24, 1999 | 79 | 223 | 2 | 2.00″ | 30 |
| Jul 28, 1999 | 61 | 167 | 5 | 2.75″ | 20 |
| Jul 9, 1999 | 21 | 196 | 14 | 1.75″ | 14 |
| Jul 2, 1999 | 117 | 88 | 7 | 4.50″ | 15 |
| Jul 25, 1999 | 56 | 106 | 4 | 2.75″ | 20 |
| Jul 23, 1999 | 34 | 121 | 3 | 1.75″ | 24 |
| Jul 27, 1999 | 75 | 76 | 7 | 2.75″ | 18 |
| Jul 31, 1999 | 11 | 136 | 1 | 1.75″ | 15 |
Largest hail reported in July 1999
| Day | Size | Location |
|---|---|---|
| Jul 1, 1999 | 4.50″ (softball) | Boyd County, NE |
| Jul 2, 1999 | 4.50″ (softball) | Guthrie County, IA |
| Jul 18, 1999 | 4.50″ (softball) | McCone County, MT |
| Jul 21, 1999 | 4.50″ (softball) | Valley County, MT |
| Jul 21, 1999 | 4.00″ (grapefruit) | Valley County, MT |
| Jul 30, 1999 | 4.00″ (grapefruit) | Baltimore County, MD |
| Jul 2, 1999 | 3.50″ (teacup) | Adair County, IA |
| Jul 2, 1999 | 2.75″ (baseball) | Woodbury County, IA |
| Jul 2, 1999 | 2.75″ (baseball) | Guthrie County, IA |
| Jul 2, 1999 | 2.75″ (baseball) | Adair County, IA |
Storm reports by state, July 1999
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Minnesota | 145 | 204 | 15 | 2.75″ |
| Ohio | 44 | 244 | 10 | 2.00″ |
| Wisconsin | 33 | 233 | 3 | 2.00″ |
| Michigan | 47 | 182 | 5 | 2.75″ |
| New York | 13 | 221 | 0 | 1.75″ |
| Pennsylvania | 30 | 174 | 4 | 2.50″ |
| North Dakota | 105 | 57 | 9 | 2.75″ |
| Iowa | 87 | 72 | 4 | 4.50″ |
| Virginia | 30 | 120 | 2 | 2.50″ |
| Georgia | 47 | 99 | 0 | 2.00″ |
| Kansas | 66 | 65 | 6 | 2.75″ |
| South Dakota | 58 | 72 | 5 | 2.75″ |
| Montana | 86 | 23 | 5 | 4.50″ |
| Nebraska | 61 | 38 | 4 | 4.50″ |
| Florida | 31 | 51 | 9 | 1.75″ |
| North Carolina | 23 | 65 | 0 | 1.75″ |
| Tennessee | 8 | 71 | 0 | 1.75″ |
| South Carolina | 15 | 44 | 0 | 1.75″ |
| Massachusetts | 18 | 39 | 0 | 2.75″ |
| New Hampshire | 7 | 47 | 1 | 1.75″ |
| Indiana | 9 | 43 | 0 | 1.75″ |
| Missouri | 7 | 44 | 0 | 1.00″ |
| West Virginia | 13 | 32 | 0 | 1.00″ |
| Maine | 4 | 40 | 0 | 1.00″ |
| Colorado | 24 | 14 | 4 | 2.50″ |
| Vermont | 4 | 38 | 0 | 1.50″ |
| Alabama | 4 | 36 | 1 | 1.00″ |
| Oklahoma | 12 | 24 | 0 | 1.00″ |
| Arkansas | 3 | 31 | 1 | 0.88″ |
| Arizona | 3 | 30 | 1 | 0.75″ |
| Illinois | 1 | 32 | 0 | 0.75″ |
| Connecticut | 6 | 25 | 0 | 1.75″ |
| Kentucky | 5 | 24 | 1 | 2.75″ |
| Maryland | 4 | 24 | 1 | 4.00″ |
| Mississippi | 7 | 20 | 0 | 1.00″ |
| Texas | 3 | 15 | 3 | 1.00″ |
| Louisiana | 1 | 15 | 1 | 1.00″ |
| California | 2 | 11 | 1 | 0.75″ |
| Wyoming | 10 | 3 | 1 | 1.00″ |
| New Mexico | 6 | 2 | 0 | 1.75″ |
| Rhode Island | 3 | 3 | 0 | 1.00″ |
| Idaho | 0 | 4 | 1 | – |
| New Jersey | 0 | 3 | 0 | – |
| Oregon | 3 | 0 | 0 | 0.88″ |
| Delaware | 0 | 1 | 0 | – |
| Nevada | 0 | 0 | 1 | – |
| Utah | 0 | 1 | 0 | – |
| Washington | 1 | 0 | 0 | 1.00″ |
Every storm day in July 1999
Jul 1 Jul 2 Jul 3 Jul 4 Jul 5 Jul 6 Jul 7 Jul 8 Jul 9 Jul 10 Jul 11 Jul 12 Jul 13 Jul 14 Jul 15 Jul 16 Jul 17 Jul 18 Jul 19 Jul 20 Jul 21 Jul 22 Jul 23 Jul 24 Jul 25 Jul 26 Jul 27 Jul 28 Jul 29 Jul 30 Jul 31
A storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Read more about NOAA storm reports.